Permanent way.



No. 640,654. Patented Jan. 2, I900; A. HAABMANN.

PERMANENT WAY.

(Application filed June 27, 1899.)

2 Sheats$heet I,

(No Model.)

N5. 640,654. Patented Jan. 2, I900.

A. HAARMANN. v

PERMANENT WAY.

(Appl at nfiled Jun 27 1899) 2 Sheets-$heet 2.

(No Model.)

UNITED STATE Y ATENT FFICE.

AUGUST I-IAARMANN, OF OSNABRUGK, GERMANY.

PERMANENT WAY.

SPECIFICATION forming part of Letters Patent N 0. 640,654, dated January 2, 1900.

Application filed June 27,1899. Serial No. 722,087. (No model.)

To all whom, it may concern:

Be it known that I, AUGUST HAARMANN, general director, a subject of the German Emperor, residing at Osnabriick, Germany, have invented certain new and useful Improvements in Permanent Ways; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification.

This invention has relation to metallic ties for railways. Various forms of metallic ties have been proposed before my invention. As is Well known, cast-iron ties will not answer for heavy traffic, and the form of the ties heretofore proposed has been such that they could right angle or a more or less acute angle with" said side walls. This latter'feature renders the packing of the tie very difficult, this being usually done with a pick of peculiar construction, by means of which the ballast or the material of the road-bed is driven into the tie and packed.

The object of my invention lies in the construction of ametallic tie of the greatest possible strength with a minimum of weight,

which can be readily rolled and readily packed.

This I accomplish by giving the tie the form of an arch in cross-section, or as much so as is compatible with the provision of a bearingface for the rails, and by providing the side" walls of such a tie with basal flanges of increased thickness and curving or flaring outwardly from the curved or concavo-convex side walls, so that in packing such a tie the material driven in by the pick meets with no resistance, but follows freely the curvilinear internal surfaces of the said side Walls, thus facilitating and expediting the packing or bedding of the tie.

To increase the strength of the tie, Iform on its upper face, intermediate of its longitudinal edges, two unbroken longitudinal ribsthat extend from one end to the other, said ribs also serving to hold the rail-chairagainstdisplacement transversely of the tie.

Myinvention has for its further object the provision of means for supporting the rails at a proper distance from the upper or bearing surface of the tie, and this I accomplish by means of a chair, and a chair-clamp adapted to secure such chair to the tie by means of a single bolt provided with a cross-head straddling a longitudinal slot in saidtie and passing through a slot in the base of the chair.

That my invention may be fully understood I will describe the same in detail, reference being had to the accompanying drawings, in which Figure 1 is a fragmentary longitudinal sectional view of a metallic tie embodying my invention, illustrating the means for securing the rail thereto. Fig. 2 is a cross-sectional view of Fig. 1, and'Fig. 3 is a fragmentary top plan view of the tie.

As shown in Fig. 2, the metallic tie A has a flattened roof a, bounded on each side by an unbroken longitudinal rib a, from which extend the side walls a of concavo-convex form and terminating in outwardly flaring or extending basal flanges a the surfaces of which are also curvilinear or substantially concavoconvex, the convexity of the side walls being external, while that of the basal flanges is internal, forming a substantially arched-structure-namely, a structure of the greatest possible strength with a minimum weight of metal, increased by the longitudinal ribs a. In practice I form the basal flanges a of increased thickness, as shown, so as to afford a firm bearing on or in the road-bed. The described form of side walls a and basal flanges a facilitates the packing of the tie, as hereinabove mentioned.

Between the ribs a on the roof or bearingface a. of the tie, at proper points near each end, I form a hole 0, Fig. 1, and at a suitable distance therefrom a longitudinal slot c and between said ribs a is fitted a chair B,

provided with a lug b,- fitting into hole a in the tie, and with an extension 19 T-shaped in side elevation, whose downwardly-projecting flange b abuts against the outer end wall of slot a in tie A.

The chair portion proper, b, on which the rail R is seated, is, as shown, of greater thickness than the extension 5 so as to support said rail at a proper elevation above the tie, and said chair has an overhanging flange 6 for the foot of the rail.

In practice the seat-surfaces b of the chairs B are preferably inclined toward the outer ends of the tie, so that any strain at right angles to the rails will be exerted on the tie in opposite directions. The chair is secured to the tie by means of a clamping-plate C, also fitting the space between the-ribs a and having a flange c engaging the rail-foot, the outer end of the plate Gabutting against the vertical flange b of the extension Z2 of the chair B, said plate 0 having a bolt-hole for the passage of a T-bolt c, which extends through a slot 0 Fig. 3, in said plate and through a slot a in the tie, the T-head o of said bolt straddling the last-named slot, the bolt being secured by means of a suitable nut mthus firmly securing the chair B against displacement longitudinally and transversely of the tie.

Having thus described my invention, what I claim as new therein, and desire to secure by Letters Patent, is-

1. A metallic railwaytie having a fiat bearing-surface bounded on each side by an unbroken longitudinal rib, and having its side walls arched or curving outwardly and terminating in basal flanges of increasing thickness the internal faces of which curve in-.

wardly, for the purpose set forth.

f2 4 e i ede 2. A metallic tie provided on its upper face with unbroken longitudinal ribs, and a railchair provided with a flange constructed to engage the foot of a rail and with a lug fitting a hole in the upper part or roof of the tie, and with a slotted and T-shaped extension, the downward flange of which abuts against the outer end wall of a longitudinal slot in the aforesaid roof of the tie, in combination with a slotted clampingplate constructed to engage the foot of the rail and abut against the upwardly-projecting flange on the chair extension, and means for securing said plate to the chair extension and tie, for the purpose set forth.

3. A metallic tie provided on its upper face with unbroken longitudinal ribs, and a railchair provided with a flange constructed to engage the foot of a rail, and with a lug fitting a hole in the upper part or roof of the tie, and with a slotted and T-shaped extension, the

downward flange of which abuts against the AUGUST HAARMANN.

Witnesses HENRY HASPER, WALDIMAR HAUPT. 

